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| Name | Team | Age |
| Lefty Mathewson | Retired (1970, Age 36) | Died (2002, Age 68) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 2 (1956) |
SP | L/L |
| League | Option Years
|
Majors Service Time |
| Earl Averill League | 0 | 13 years (108 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 4/29/1934 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Vs | G | IP | SO | BB | H | WHIP |
| 1966 | LHB | 33 | 51.1 | 46 | 12 | 54 | 1.29 |
| 1966 | RHB | 33 | 165.0 | 122 | 58 | 156 | 1.30 |
| 1967 | LHB | 33 | 46.0 | 34 | 20 | 33 | 1.15 |
| 1967 | RHB | 33 | 173.1 | 111 | 65 | 171 | 1.36 |
| 1968 | LHB | 35 | 56.2 | 32 | 16 | 56 | 1.27 |
| 1968 | RHB | 36 | 196.0 | 146 | 60 | 179 | 1.22 |
| 1969 | LHB | 37 | 26.2 | 19 | 4 | 27 | 1.16 |
| 1969 | RHB | 49 | 71.1 | 44 | 30 | 69 | 1.39 |
| 1970 | LHB | 2 | 1.1 | 2 | 0 | 1 | 0.75 |
| 1970 | RHB | 2 | 0.2 | 0 | 1 | 3 | 6.00 |
| 2077 | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2077 | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2077 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2077 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | LHB | 140 | 182.0 | 133 | 52 | 171 | 1.23 |
| Total | RHB | 153 | 606.1 | 423 | 214 | 578 | 1.31 |
| Total | 433 | 2530.1 | 1675 | 946 | 2527 | 1.37 |
| Date | Transaction |
| 1970-11-01 | Lefty Mathewson has retired from the Kansas City Athletics |
| 1970-08-06 | The Kansas City Athletics have designated Lefty Mathewson for assignment. |
| 1970-04-13 | The Kansas City Athletics have acquired Lefty Mathewson from the waiver wire. |
| 1970-04-09 | The Pittsburgh Paladins have promoted Luis Ozuna to the major league team. The Pittsburgh Paladins have designated Lefty Mathewson for assignment. |
| 1969-04-15 | The Pittsburgh Punishers have renamed Brad Wagner to Lefty Mathewson. |
| 1969-04-15 | The Pittsburgh Punishers have renamed Al Leiter to Brad Wagner. |
| 1969-04-01 | The Pittsburgh Rogue Mets have renamed Jay Gardner to Al Leiter. |
| 1957-04-01 | The Chicago Gangsters have promoted Jay Gardner to the major league team. The Chicago Gangsters have sent Carter Poynter to the minors. The Chicago Gangsters have sent Dizzy Birtsas to the minors. The Chicago Gangsters have sent Doe Oliver to the minors. |